I started this thread to discuss points brought up by a new member in the the Low carb sticky.

On point was that high protein caused kidney problems. Teh member quoted a problem with a diet that is high in protein, and I think it's the Dukan Diet. It's clearly a low carb, low fat, high protein diet. the diet described in the sticky is actually low carb, moderate fat, moderate protein so wouldn't have the same issues. nevertheless, there has been unresolved debated here before comparing the maderate carb and high carb before. I welcome civil debate on this subject and especially hope that the new medical student joins in.

In the meantime, while waiting for Bueatyqueen to find this thread, seeing how she used the Dunkan Diet as a strawman for our low-carb diet, I'll build my own strawman and knock it down. I'll use the arguments from this site: http://www.tcpersonaltraining.com/blog/ ... -in-perth/

Quote:

Dark Side of Dukan DietStrains Liver and Kidney Functions – This can potentially occur in the pure protein phase. And if you have problems with kidney, I suggest that you stay away from this diet.

Constipation – If you’re going to be constipated, then this diet can’t be any good.

Bad Breath – This happens mainly due to the ketogenic effects of high protein phase of the diet.

No vegetables and fruits – “When has it been bad to have vegetables and fruits?” Said one of my personal training clients. And I couldn’t agreed more with her. Like she said to me, it would be very bad for a parent to eat like this in front of her small children. What is she going to say if the kids ask why is she not eating her veg and fruits? Are you going to said “I’m trying to lose weight fast and vegetables and fruits are no good”.

Decrease Bone Mass – As the initial phase of Dukan Diet is pure protein, that makes the diet ketogenic. And that can decrease calcium balance and increase risk of bone loss which is bad for women.

Decrease in Metabolism – It can cause a loss of lean tissue due to the ketogenic effects of the initial phase because the body needs to draw upon the existing protein stores from your muscles to maintain blood sugar level. This is the last thing you want to do to your body because lower metabolism means easier weight gain in the future.

Recommend Only 20-25 minutes of brisk walking everyday – Brisk walking DOES NOT increase metabolism , DOES NOT toned the body and DOES NOT improve fitness.

It’s NOT TRUE Fat Loss – If you’re aiming for a lean and toned body, then Dukan Diet is not going to give you one because it’s just weight loss based on water loss and lean muscle tissue loss especially in the first phase.

Strains Liver and Kidney Functions - This is only an issue in people with preexisting conditions. Taking in adequate water is protective.

No vegetables and fruits - It's only for a week. Realistically, anyone who religiously eats their veg doesn't need this program anyway. Most are eating fish and chips and washing it down with pop. They don't eat veg anyway.

Recommend Only 20-25 minutes of brisk walking everyday - Brisk exercise, enough to get you panting, will create post exercise oxygen consumption well in excess of fat burned during the exercise. It also can increase lung and heart capacity. In fact there are suggestions that long duration cardio encourages fat retention.

It’s NOT TRUE Fat Loss – Initial water loss from low-carb diets is water that wasn't supposed to be there in the first place. the removal of that water is real and appropriate and will never return if the person never returns to the high carb diets that this replaces.

Is this dunkan diet, only protein? If it is, It will kill you, but not for any of the reasons listed, you need fat to live. If you eat nothing but lean meats you will die of rabbit starvation. But since its only 1 week, it probably won't but still there is no reason to not eat fat.

Is this dunkan diet, only protein? If it is, It will kill you, but not for any of the reasons listed, you need fat to live. If you eat nothing but lean meats you will die of rabbit starvation. But since its only 1 week, it probably won't but still there is no reason to not eat fat.

It's meat for the first week and then it includes vegetables thereafter. Of course critics always focus on the short term induction phase. By the way, this is the most popular diet in Europe. I would be surprised if there weren't at least a few people with issues. Anytime you have millions of people doing anything, you're going to have a few that can't follow instructions.

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